—Will $2, 000 ________ the cost of the trip?—I'm afraid not. Perhaps I need another $500.
Greatly moved by her words, __________.
The population of many Alaskan cities has ______ doubled in the past three years.
---In the past ten years, there have been many changes in family life. --- Are these changes ______?
His sister had become a teacher , ______ was what he wanted to be.
They ______ on the program for almost one week before I joined them, but still no good results _______ so far.